How To Calculate The Largest Holes You Can Drill Through 2x6 or Larger Floor Joist - Plumbing Codes

www.homebuildingandrepairs.com Click here on this link to find more information about home building, remodeling and repairs. This video will provide you with the largest holes you can drill through 2 x 6 or 2 x 8 floor joist. The information came from the 2021 International plumbing code book, Appendix C, C101.1 in the structural safety section. Make sure you check with your local building codes to verify information in all videos.

[@quintoncofell7192]

Check your local building code, in ontario the max hole is 1/4 the depth of joist and 50mm from the top or bottom, very good illustrations and informative video tho!!

[@Woodlawn22]

Thank you!

[@lningzhang6655]

renovating my kitchen, plan to run a 3" drain pipe through 5 joists of 8", the holes that run the drain pipe are over 3" Dia, so I want to use the metal joist reinforcement plate to support the joists. it is possible? Thanks.

[@normferguson2769]

How do you get a sloping 3” drain through 10’ of 2x10 joists.

[@constructionideas]

You should be able to find something here that will help. www.homebuildingandrepairs.com/plumbing/index.html